Case ExercisesThe next day at SLS found everyone in technical support busy restoring computer systems to their former state and installing new virus and worm control software. Amy found herself learning how to install desktop computer operating systems and applications as SLS made a heroic effort to recover from the attack of the previous day.Questions:$1.$ Do you think this event was caused by an insider or outsider? Why do you think this?$2.$ Other than installing virus and worm control software, what can SLS do to prepare for the next incident?$3.$ Do you think this attack was the result of a virus or a worm? Why do you think this?